Who reclaimed the title of the world's richest person

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Select the set of letters that when sequentially placed in the blanks of the given letter series will complete the series.

_ s t _ r _ t u r s _ _ r _ _ u

Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.

abc_dab_ _d_b_cdab_c_

Select the combination of the letters that when placed sequentially in the blanks of the given letter series will complete the series.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

Which of the following should come in the place of question mark ?

BAC         EDF         HGI          ?

Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.\

Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter ser ies.

If 48 + 26 = 8

34 + 58 = 4

99 + 18 = 63

Find 87 + 56 = ?